.academie-section {
    padding-top: 120px;
    min-height: 100vh;
    background: var(--background-color);
}

.academie-intro {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    margin-bottom: 8rem;
}

.intro-content {
    max-width: 560px;
}

.intro-content h1 {
    font-size: 3rem;
    line-height: 1.1;
    margin-bottom: 1rem;
    font-weight: 800;
}

.intro-content .kicker {
    color: var(--primary);
    font-weight: 700;
    letter-spacing: .02em;
    margin-bottom: .5rem;
    text-transform: uppercase;
    font-size: .95rem;
}

.intro-content p {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--white);
    margin-bottom: 1.2rem;
}

.intro-cta {
    display: flex;
    gap: .75rem;
    flex-wrap: wrap;
    margin-top: .5rem;
}

.section-content {
    padding: 4rem 0;
}

.section-title {
    font-size: 2.2rem;
    margin-bottom: .75rem;
    text-align: center;
}

.section-sub {
    text-align: center;
    opacity: .85;
}

.objectifs-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-top: 2.5rem;
}

.objectif-item {
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, .08);
}

.objectif-item h3 {
    font-size: 1.1rem;
    margin-bottom: .5rem;
    color: var(--primary);
    letter-spacing: .02em;
}

.academie-stats-grid {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.academie-stat-item {
    border-radius: 16px;
    padding: 2rem 1.5rem;
    text-align: center;
    min-width: 260px;
    position: relative;
    overflow: hidden;
    transition: all .3s ease;
    backdrop-filter: blur(10px);
}

.academie-stat-item:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 255, 255, .14);
}

.academie-stat-icon {
    font-size: 2.5rem;
    margin-bottom: .5rem;
    display: block;
}

.academie-stat-number {
    font-size: 2.4rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: .25rem;
    letter-spacing: -0.5px;
}

.academie-stat-label {
    font-size: 1rem;
    color: rgba(255, 255, 255, .9);
    line-height: 1.4;
}

/* Bandeau infos pratiques */
.infos-pratiques {
    padding: 2rem 0;
    margin: 1rem 0 3rem;
}

.infos-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
}

.info-card {
    padding: 1rem 1.25rem;
    border: 1px solid rgba(255, 255, 255, .08);
    border-radius: 12px;
    background: rgba(0, 0, 0, .2);
}

.info-card h4 {
    margin: 0 0 .25rem;
    font-size: 1rem;
    color: var(--primary);
}

.info-card p {
    margin: 0;
    opacity: .95;
}

@media (max-width: 900px) {
    .academie-intro {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .objectifs-grid {
        grid-template-columns: 1fr;
    }

    .infos-grid {
        grid-template-columns: 1fr;
    }
}

/* KPIs 2025 */
.kpi-2025 {
    padding-top: 2rem;
}

.kpi-head {
    text-align: center;
    margin-bottom: 1rem;
}

.kpi-2025 .section-title {
    margin-bottom: .25rem;
}

.kpi-sub {
    opacity: .85;
}

.kpi-grid {
    display: grid;
    gap: clamp(16px, 2vw, 24px);
    grid-template-columns: repeat(12, 1fr);
    margin-top: 1rem;
}

.kpi-card {
    grid-column: span 6;
    display: flex;
    align-items: center;
    gap: clamp(16px, 2vw, 24px);
    padding: clamp(16px, 2.2vw, 24px);
    border-radius: 18px;
    backdrop-filter: blur(10px);
    transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
    will-change: transform;
}

.kpi-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 40px rgba(0, 0, 0, .28);
    border-color: rgba(255, 255, 255, .22);
}

@media (max-width: 900px) {
    .kpi-card {
        grid-column: span 12;
    }
}

/* Anneau */
.kpi-ring {
    position: relative;
    width: 110px;
    height: 110px;
    flex: 0 0 110px;
    display: grid;
    place-items: center;
}

.kpi-svg {
    width: 110px;
    height: 110px;
    transform: rotate(-90deg);
}

.kpi-track {
    fill: none;
    stroke: rgba(255, 255, 255, .14);
    stroke-width: 8;
}

.kpi-value {
    fill: none;
    stroke: url(#grad1), url(#grad2);
    stroke: white;
    stroke-linecap: round;
    stroke-width: 8;
    stroke-dasharray: 327;
    /* 2πr -> 2*π*52 ≈ 326.7 */
    stroke-dashoffset: calc(327 - (var(--pct) * 3.27));
    filter: drop-shadow(0 0 10px rgba(255, 255, 255, .25));
    transition: stroke-dashoffset 1.2s ease .1s;
}

.kpi-emoji {
    position: absolute;
    font-size: 1.6rem;
    transform: translateY(1px);
}

/* Chiffres */
.kpi-meta {
    display: flex;
    align-items: flex-start;
    gap: .75rem;
}

.kpi-number {
    font-size: clamp(2rem, 3vw, 2.6rem);
    font-weight: 800;
    color: #fff;
    line-height: 1;
    letter-spacing: -.5px;
    display: flex;
    align-items: baseline;
    gap: .15rem;
    text-shadow: 0 1px 10px rgba(0, 0, 0, .25);
    min-width: 4ch;
}

.kpi-number .plus {
    font-weight: 700;
    opacity: .95;
}

.kpi-label {
    margin: 0;
    color: rgba(255, 255, 255, .9);
    line-height: 1.35;
    font-size: .98rem;
}

/* Réduction de mouvement */
@media (prefers-reduced-motion: reduce) {
    .kpi-card {
        transition: none !important;
    }

    .kpi-value {
        transition: none !important;
    }
}

/* ==== BioSite HUB (2025) ==== */
.biosite-hub {
    padding-top: 2rem;
}

.biosite-head {
    text-align: center;
    margin-bottom: 1rem;
}

.biosite-sub {
    opacity: .85;
}

.biosite-card {
    position: relative;
    overflow: hidden;
    margin: 0 auto;
    max-width: 1100px;
    border-radius: 22px;
    background: linear-gradient(180deg, rgba(255, 255, 255, .08), rgba(255, 255, 255, .03));
    border: 1px solid rgba(255, 255, 255, .18);
    backdrop-filter: blur(12px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, .28);
}

.biosite-glow {
    position: absolute;
    inset: -2px;
    border-radius: 24px;
    pointer-events: none;
    background: conic-gradient(from 180deg at 50% 50%, rgba(255, 255, 255, .0), rgba(255, 255, 255, .25), rgba(255, 255, 255, .0) 60%);
    filter: blur(18px);
    opacity: .35;
}

/* Wrapper iframe: collapsé par défaut pour ne pas prendre trop de place */
.biosite-frame-wrap {
    position: relative;
    isolation: isolate;
    /* Hauteur responsive (réduite) */
    height: clamp(420px, 60vh, 640px);
    transition: height .35s ease;
}

.biosite-frame-wrap.is-collapsed {
    height: clamp(420px, 46vh, 520px);
}

.biosite-iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
    background: #0e0e0e;
    /* évite flash blanc */
}

/* Masque dégradé lorsqu’on est en mode réduit */
.biosite-fade {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 120px;
    z-index: 1;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, .65) 60%, rgba(0, 0, 0, .85) 100%);
    pointer-events: none;
    transition: opacity .25s ease;
}

.biosite-frame-wrap:not(.is-collapsed) .biosite-fade {
    opacity: 0;
}

/* Actions sous la carte */
.biosite-actions {
    display: flex;
    gap: .6rem;
    align-items: center;
    justify-content: space-between;
    padding: .8rem .9rem;
    border-top: 1px solid rgba(255, 255, 255, .14);
    background: rgba(0, 0, 0, .25);
    flex-wrap: wrap;
}

.biosite-toggle {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    padding: .75rem 1rem;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, .24);
    background: rgba(255, 255, 255, .06);
    color: #fff;
    font-weight: 700;
    cursor: pointer;
    transition: transform .18s ease, border-color .18s ease, background .18s ease;
}

.biosite-toggle:hover {
    transform: translateY(-2px);
    border-color: #fff;
    background: rgba(255, 255, 255, .1);
}

.biosite-open {
    margin-left: auto;
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    padding: .75rem 1rem;
    border-radius: 999px;
    text-decoration: none;
    font-weight: 700;
    color: #000;
    background: linear-gradient(90deg, #fff, #ddd);
    transition: transform .18s ease, box-shadow .18s ease;
}

.biosite-open:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 28px rgba(255, 255, 255, .18);
}

.biosite-fallback {
    padding: .9rem 1rem 1.2rem;
    opacity: .85;
}

/* Mobile optimisations */
@media (max-width: 860px) {
    .biosite-actions {
        justify-content: center;
    }

    .biosite-open {
        margin-left: 0;
    }

    .biosite-frame-wrap {
        height: clamp(420px, 64vh, 560px);
    }

    .biosite-frame-wrap.is-collapsed {
        height: clamp(380px, 54vh, 500px);
    }
}